1  /* Copyright (C) 2003  Free Software Foundation.
       2     PR target/13256
       3     STRICT_LOW_PART was handled incorrectly in delay slots.
       4     Origin: Hans-Peter Nilsson.  */
       5  
       6  typedef struct { unsigned int e0 : 16; unsigned int e1 : 16; } s1;
       7  typedef struct { unsigned int e0 : 16; unsigned int e1 : 16; } s2;
       8  typedef struct { s1 i12; s2 i16; } io;
       9  static int test_length = 2;
      10  static io *i;
      11  static int m = 1;
      12  static int d = 1;
      13  static unsigned long test_t0;
      14  static unsigned long test_t1;
      15  void test(void) __attribute__ ((__noinline__));
      16  extern int f1 (void *port) __attribute__ ((__noinline__));
      17  extern void f0 (void) __attribute__ ((__noinline__));
      18  int
      19  f1 (void *port)
      20  {
      21    int fail_count = 0;
      22    unsigned long tlen;
      23    s1 x0 = {0};
      24    s2 x1 = {0};
      25  
      26    i = port;
      27    x0.e0 = x1.e0 = 32;
      28    i->i12 = x0;
      29    i->i16 = x1;
      30    do f0(); while (test_t1);
      31    x0.e0 = x1.e0 = 8;
      32    i->i12 = x0;
      33    i->i16 = x1;
      34    test ();
      35    if (m)
      36      {
      37        unsigned long e = 1000000000 / 460800 * test_length;
      38        tlen = test_t1 - test_t0;
      39        if (((tlen-e) & 0x7FFFFFFF) > 1000)
      40  	f0();
      41      }
      42    if (d)
      43      {
      44        unsigned long e = 1000000000 / 460800 * test_length;
      45        tlen = test_t1 - test_t0;
      46        if (((tlen - e) & 0x7FFFFFFF) > 1000)
      47  	f0();
      48      }
      49    return fail_count != 0 ? 1 : 0;
      50  }
      51  
      52  int
      53  main ()
      54  {
      55    io io0;
      56    f1 (&io0);
      57    abort ();
      58  }
      59  
      60  void
      61  test (void)
      62  {
      63    io *iop = i;
      64    if (iop->i12.e0 != 8 || iop->i16.e0 != 8)
      65      abort ();
      66    exit (0);
      67  }
      68  
      69  void
      70  f0 (void)
      71  {
      72    static int washere = 0;
      73    io *iop = i;
      74    if (washere++ || iop->i12.e0 != 32 || iop->i16.e0 != 32)
      75      abort ();
      76  }